Fish Weight

CodeForces - 297B

It is known that there are k fish species in the polar ocean, numbered from 1 to k. They are sorted by non-decreasing order of their weight, which is a positive number. Let the weight of the i-th type of fish be wi, then 0 < w1 ≤ w2 ≤ ... ≤ wk holds.

Polar bears Alice and Bob each have caught some fish, and they are guessing who has the larger sum of weight of the fish he/she's caught. Given the type of the fish they've caught, determine whether it is possible that the fish caught by Alice has a strictly larger total weight than Bob's. In other words, does there exist a sequence of weights wi (not necessary integers), such that the fish caught by Alice has a strictly larger total weight?

Input

The first line contains three integers n, m, k (1 ≤ n, m ≤ 105, 1 ≤ k ≤ 109) — the number of fish caught by Alice and Bob respectively, and the number of fish species.

The second line contains n integers each from 1 to k, the list of fish type caught by Alice. The third line contains m integers each from 1 to k, the list of fish type caught by Bob.

Note that one may have caught more than one fish for a same species.

Output

Output "YES" (without quotes) if it is possible, and "NO" (without quotes) otherwise.

Examples

Input
3 3 3
2 2 2
1 1 3
Output
YES
Input
4 7 9
5 2 7 3
3 5 2 7 3 8 7
Output
NO

Note

In the first sample, if w1 = 1, w2 = 2, w3 = 2.5, then Alice has a total of 2 + 2 + 2 = 6weight units, while Bob only has 1 + 1 + 2.5 = 4.5.

In the second sample, the fish that Alice caught is a subset of Bob's. Therefore, the total weight of Bob’s fish is always not less than the total weight of Alice’s fish.

sol:贪心乱搞,先后后缀和只要个数大于另一个就是YES了

#include <bits/stdc++.h>
using namespace std;
typedef int ll;
inline ll read()
{
ll s=;
bool f=;
char ch=' ';
while(!isdigit(ch))
{
f|=(ch=='-'); ch=getchar();
}
while(isdigit(ch))
{
s=(s<<)+(s<<)+(ch^); ch=getchar();
}
return (f)?(-s):(s);
}
#define R(x) x=read()
inline void write(ll x)
{
if(x<)
{
putchar('-'); x=-x;
}
if(x<)
{
putchar(x+''); return;
}
write(x/);
putchar((x%)+'');
return;
}
#define W(x) write(x),putchar(' ')
#define Wl(x) write(x),putchar('\n')
const int N=;
int n,m,K,a[N],b[N],Hash[N<<];
int main()
{
int i;
R(n); R(m); R(K);
for(i=;i<=n;i++) Hash[++*Hash]=(a[i]=read());
for(i=;i<=m;i++) Hash[++*Hash]=(b[i]=read());
sort(Hash+,Hash+*Hash+);
*Hash=unique(Hash+,Hash+*Hash+)-Hash-;
for(i=;i<=n;i++) a[i]=lower_bound(Hash+,Hash+*Hash+,a[i])-Hash;
for(i=;i<=m;i++) b[i]=lower_bound(Hash+,Hash+*Hash+,b[i])-Hash;
sort(a+,a+n+);
sort(b+,b+m+);
int Now=m+;
for(i=n;i>=;i--)
{
while(Now>&&b[Now-]>=a[i]) Now--;
if(n-i+>m-Now+) return puts("YES"),;
}
puts("NO");
return ;
}
/*
Input
3 3 3
2 2 2
1 1 3
Output
YES Input
4 7 9
5 2 7 3
3 5 2 7 3 8 7
Output
NO
*/

codeforces297B的更多相关文章

随机推荐

  1. 《深入理解 Java 虚拟机》学习 -- 垃圾收集器

    <深入理解 Java 虚拟机>学习 -- 垃圾收集器 1. Serial 收集器(新生代) 含义: 单线程收集器. 缺点: 进行垃圾收集时,必须暂停其他所有的工作线程. 优点: 简单而高效 ...

  2. dev gridview表格按钮

    固定列的位置 添加按钮控件位置,使用buttonEdit 添加按钮 按钮属性设置 按钮设置后的效果 //注册按钮事件 this.ribtndata.ButtonClick += new DevExpr ...

  3. HTTP缓存总结

    在具体了解 HTTP 缓存之前先来明确几个术语:1.缓存命中率:从缓存中得到数据的请求数与所有请求数的比率.理想状态是越高越好.2.过期内容:超过设置的有效时间,被标记为“陈旧”的内容.通常过期内容不 ...

  4. opencv+ linux + cmake 生成 opencv静态库

    您可以省去如下步骤,直接下载我编译好的: http://download.csdn.net/detail/u011258240/9710331 一.编译opencv2.4  不带contrib 1. ...

  5. vue封装swiper

    参考:https://github.com/surmon-china/vue-awesome-swiper npm install vue-awesome-swiper --save 全局引入 imp ...

  6. mac 下安装mysql

    1.安装mysql 使用 brew 进行安装: brew install mysql 2.安装完成: 3.如果开机启动服务 执行:brew services start mysql 否则:mysql. ...

  7. Spring AOP的理解和使用

    AOP是Spring框架面向切面的编程思想,AOP采用一种称为“横切”的技术,将涉及多业务流程的通用功能抽取并单独封装,形成独立的切面,在合适的时机将这些切面横向切入到业务流程指定的位置中. 掌握AO ...

  8. UE中正则表达式

    UltraEdit(后简称UE),是我经常使用的文本编辑软件,其功能的强大,令我由衷地爱上了它.每天不用就全身不爽.从最开始的9.0到现在的 12.10a(本人只用到这个版本),UE都是系统重装后必安 ...

  9. 【转】ESXi主机出现“主机上的系统日志存储在非持久存储器中”解决办法

    原址:https://blog.csdn.net/mooncarp/article/details/50923483 当ESXi主机的底层操作系统安装在SD卡上时,在vCenter中配置该主机时,如果 ...

  10. busybox date 时间的加减

    1.下载安装busybox: # wget http://busybox.net/downloads/busybox-1.29.3.tar.bz2 # tar -jxvf busybox-.tar.b ...